Files
stack/packages/mosaic/framework/skills/vueuse-functions/references/useDisplayMedia.md
T
fargo 1a822493ba format: apply repo prettier (3.8.1) to the folded skills tree
963 markdown files reformatted with the repository's pinned prettier so
pnpm format:check covers the folded tree like every other repo file.

The formatter's embedded-language pass also normalized code fences
(TS semicolons, closed HTML tags in examples, lowercased CSS hex colors,
one renumbered list that skipped an index). Alphanumeric token deltas vs
the fold commit were audited file-by-file; all are formatter-equivalent
markup normalizations plus the four sanitized skills.
2026-08-19 14:37:17 -05:00

1.6 KiB

category, related
category related
Sensors useUserMedia

useDisplayMedia

Reactive mediaDevices.getDisplayMedia streaming.

Usage

<script setup lang="ts">
import { useDisplayMedia } from '@vueuse/core';
import { useTemplateRef } from 'vue';

const { stream, start } = useDisplayMedia();

// start streaming
start();

const videoRef = useTemplateRef('video');
watchEffect(() => {
  // preview on a video element
  videoRef.value.srcObject = stream.value;
});
</script>

<template>
  <video ref="video" />
</template>

Type Declarations

export interface UseDisplayMediaOptions extends ConfigurableNavigator {
  /**
   * If the stream is enabled
   * @default false
   */
  enabled?: MaybeRef<boolean>;
  /**
   * If the stream video media constraints
   */
  video?: boolean | MediaTrackConstraints | undefined;
  /**
   * If the stream audio media constraints
   */
  audio?: boolean | MediaTrackConstraints | undefined;
}
/**
 * Reactive `mediaDevices.getDisplayMedia` streaming
 *
 * @see https://vueuse.org/useDisplayMedia
 * @param options
 */
export declare function useDisplayMedia(options?: UseDisplayMediaOptions): {
  isSupported: ComputedRef<boolean>;
  stream: ShallowRef<MediaStream | undefined, MediaStream | undefined>;
  start: () => Promise<MediaStream | undefined>;
  stop: () => void;
  enabled:
    | Ref<boolean, boolean>
    | ShallowRef<boolean, boolean>
    | WritableComputedRef<boolean, boolean>
    | ShallowRef<true, true>
    | ShallowRef<false, false>;
};
export type UseDisplayMediaReturn = ReturnType<typeof useDisplayMedia>;